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\textbf{Use Case I2:  Detailed Description}
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Use Case Name:  Manage a Mission\\
Scenario:  S1:  Stop a Mission\\
Brief Description:  With the System Running, the User Stops a
mission on the iButton device.\\
Actors:  User\\
Related Use Cases: N/A\\\\
Stakeholders:  Users who want to stop a mission on the iButton
for the purpose of starting another mission, or recording the data
of the current stopped mission.\\\\
Preconditions:  The System is running, the iButton is connected to
the receptor or another reading device.  The iButton receptor or
other reading device is connected to the computer.\\\\
Postconditions:  The Mission on the iButton is stopped.\\\\
\textbf{Flow of Events}\\\\
\begin{tabular}{|l|l|}\hline
\textbf{User} & \textbf{System}\\\hline
1.  Request the current iButton & \\
mission stopped & \\\hline
& 2.  Stops the mission\\\hline
& 3.  Indicates to the User the \\
& iButton mission is stopped.\\\hline
\end{tabular}\\\\
\textbf{Exception Conditions}\\
2a.  If the Mission Cannot be stopped in the iButton, then the
system indicates the error to the user with a possible reason
(One Wire Network issues, One Wire Device issues).
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